screen-size:3 ✕ processor:expeed-2 ✕ sensor-size:23-6-x-15-6-mm ✕ megapixels-main-camera:16-9-mp ✕

Allow OR queries (select multiple values per filter)

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).